Managed XDR

document-autosaved-311049294046688016-.asd (njRAT) — malware analysis report

File info

Filename
document-autosaved-311049294046688016-.asd
File type
Composite Document File V2 Document, Little Endian, Os: Windows, Version 10.0, Code page: 1252, Title: ATHEY3, Subject: ZQFMVXD4DZ, Author: Trapper, Keywords: Tempor, fabellas, eos ut, nec, solet everti, evertitur ea, Comments: Mel an dolorem vivendum, esse hendrerit scripserit mea no. Has altera iriure ut, vel id iriure suavitate, vix at melius definiebas., Template: Normal.dotm, Last Saved By: PC, Revision Number: 2, Name of Creating Application: Microsoft Office Word, Total Editing Time: 11:00, Create Time/Date: Sat May 19 15:21:00 2018, Last Saved Time/Date: Sat May 19 20:28:00 2018, Number of Pages: 1, Number of Words: 0, Number of Characters: 1, Security: 0
File size
119 KB
First seen
Last seen

Environment

win7/x86 en

Hashes

SHA1
5fdf7d901e849a325f7b784816d0f0d931b667dd
SHA256
d9b7fb71775527dbb4fd55b69d94c7856c18da891b36b353757d1545e3964256
MD5
9babb34a15b752413e4708eea90ab33f

Malwares

  • njRAT

Signatures

Execution

T1064 office_macros_suspicious: Document contains suspicious macro
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1204.002 office_vb_load: Microsoft Office is loading VB DLL files (macros usage indicator)

Privilege Escalation

T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Defense Evasion

T1027 office_macros_hex_strings: Lines in hex found in document macro
T1064 office_macros_suspicious: Document contains suspicious macro
T1497.001 antivm_queries_computername: Retrieves the computer name
T1064 office_macros: The document contains macro
T1064 office_macros_autoexec: The document contains an auto-start macro
T1134 opens_thread_token: Opens the access token associated with a thread
T1134 opens_process_token: Opens the access token associated with a process

Discovery

T1497.001 antivm_queries_computername: Retrieves the computer name

Other

yara_rules: Static rules
office_summary: The document contains suspicious metadata
get_policy_info: Retrieves information about a Policy object
test_check_service: Starts services
antisandbox_check_graphics_card: Uses CreateDXGIFactory, potentially to detect graphics card
checktokenmembership: Checks user token with CheckTokenMembership call

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